Pith Number

pith:FU5HK6YY

pith:2008:FU5HK6YYDP5JEBBPRP2S7VW4KI

not attested not anchored not stored refs pending

Solar rotation rate and its gradients during cycle 23

H.M. Antia, Sarbani Basu, S. M. Chitre

arxiv:0803.3619 v2 · 2008-03-25 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FU5HK6YYDP5JEBBPRP2S7VW4KI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T17:09:57.570384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d3a757b181bfa92042f8bf52fd6dc5223534f89d6a3fc5fd0e86a6b90223e66

Aliases

arxiv: 0803.3619 · arxiv_version: 0803.3619v2 · doi: 10.48550/arxiv.0803.3619 · pith_short_12: FU5HK6YYDP5J · pith_short_16: FU5HK6YYDP5JEBBP · pith_short_8: FU5HK6YY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FU5HK6YYDP5JEBBPRP2S7VW4KI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2d3a757b181bfa92042f8bf52fd6dc5223534f89d6a3fc5fd0e86a6b90223e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e21799b3441126d7cd7a00459d67979d8b4aad119b1dd52f74685eb463ada18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-25T20:00:07Z",
    "title_canon_sha256": "6f68fef7479df9742e9317e1de3c8fc69243e20bfde1f66d97d6f3a8278821e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3619",
    "kind": "arxiv",
    "version": 2
  }
}